// Copyright 2022 The TensorFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#import <AVFoundation/AVFoundation.h>
#import <Foundation/Foundation.h>
#import "tensorflow_lite_support/ios/task/audio/core/sources/TFLAudioFormat.h"
#import "tensorflow_lite_support/ios/task/audio/core/sources/TFLFloatBuffer.h"

NS_ASSUME_NONNULL_BEGIN

@interface AVAudioPCMBuffer (Utils)

@property(nonatomic, readonly, nullable) TFLFloatBuffer* floatBuffer;

- (AVAudioPCMBuffer*)bufferUsingAudioConverter:
    (AVAudioConverter*)audioConverter;

+ (nullable AVAudioPCMBuffer*)loadPCMBufferFromFileWithPath:(NSString*)path
                                           processingFormat:
                                               (AVAudioFormat*)processingFormat;

+ (nullable AVAudioPCMBuffer*)loadPCMBufferFromFileWithPath:(NSString*)path
                                                audioFormat:
                                                    (TFLAudioFormat*)audioFormat
    NS_SWIFT_NAME(loadPCMBufferFromFile(withPath:audioFormat:));

@end

NS_ASSUME_NONNULL_END
